Electrohydraulic lithotripsy: a safe and effective technique to retrieve an impacted Dormia basket
Sébastien Carbillet, Franck Brazier, Mathurin Fumery, Clara Yzet

Abstract
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Taxonomy
TopicsGallbladder and Bile Duct Disorders · Pediatric Hepatobiliary Diseases and Treatments · Esophageal and GI Pathology
Choledocholithiasis is a common indication for endoscopic retrograde cholangiopancreatography (ERCP). Mechanical lithotripsy is a frequently used technique for the extraction of complex common bile duct (CBD) stones; however, impaction of the Dormia basket around a large stone and fracture of Dormia basket wires have been described in up to 6% of procedures 1 2 3 . This complication is one of the most challenging to treat, often requiring endoscopic, percutaneous, or surgical intervention, with a risk of morbidity and mortality.
We present the case of a 47-year-old woman who had been experiencing abdominal pain and jaundice for 10 days. A computed tomography scan revealed a dilated CBD, measuring 15 mm. An endoscopic ultrasound (EUS) identified a stone at the junction between the CBD and the cystic duct. Mechanical lithotripsy was attempted via ERCP, and the stone was grasped with the Dormia basket. Multiple attempts to crush and retrieve the stone were unsuccessful, resulting in impaction of the Dormia basket in the CBD owing to a wire fracture in the operating channel. We then decided to perform electrohydraulic lithotripsy (EHL) to dislodge the stone and retrieve the impacted basket ( Video 1 ). An intraductal cholangioscope (SpyGlass) was introduced into the CBD and placed in contact with the stone, allowing EHL to be applied to pulverize the stone and enabling the removal of the Dormia basket with a grasper. The stone fragments were then retrieved with an extraction balloon.
Cholangioscopy-guided EHL is a safe and effective method for the retrieval of an impacted Dormia basket. This technique is a less invasive alternative to surgery.
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The reference list from the paper itself. Each links out to its DOI / PubMed record.
- 1Sauter G Sackmann M Holl J Dormia baskets impacted in the bile duct: release by extracorporeal shock-wave lithotripsy Endoscopy 19952738438710.1055/s-2007-10057187588353 · doi ↗ · pubmed ↗
- 2O’Brien J.W Tyler R Shaukat S Laparoscopic common bile duct exploration for retrieval of impacted Dormia basket following endoscopic retrograde cholangiopancreatography with mechanical failure: case report with literature review Case Rep Surg 201720171510.1155/2017/5878614 PMC 553042728785504 · doi ↗ · pubmed ↗
- 3Tandup C Kaman L Sinha SK Surgical management of the impacted Dormia basket during ERCP Int Surg J 201961783
